[Noisebridge-discuss] x-ray machine

Jonathan Lassoff jof at thejof.com
Fri Mar 15 15:12:56 UTC 2013


That is just scary to have. All potential hackers should get a talking
to about the history of Therac 25 before beginning. :p

Does it still have an active x-ray source?

Cool find!

Cheers,
jof

On Fri, Mar 15, 2013 at 12:09 AM, Jake <jake at spaz.org> wrote:
> you guys know i got an xray machine?  it's a 90KeV dental xray machine by
> ritter, gas-cooled with sulfur hexaflouride.
>
> http://www.ritterdental.com/Story/TheGoldenYears/1950sX-RayF.htm
>
> anyway, we should take some REAL xray pictures.  that means we need a
> phosphor screen, like an "x ray cassette" as seen on ebay.  Those cassettes
> are basically a mechanical envelope that you put the film in, and they have
> phosphor screens in there that expose the film when xrays land on the
> phosphors.
>
> http://www.ebay.com/itm/Ortho-Curix-MR800-X-Ray-Cassette-with-screen-30x35cm-Low-Price-/300789089608?pt=LH_DefaultDomain_0&hash=item46086d4548
> http://www.ebay.com/itm/JPI-xray-cassette-8x10-used-xray-intesifying-screen-/271169903159?pt=LH_DefaultDomain_0&hash=item3f22fc5a37
>
> if possible we should get an image intensifier, which would allow us to see
> through things in real time, without waiting for film to develop. basically
> the output goes to a video camera, so it would be like the enlarge-o-scope
> we made except dangerous.
>
> http://en.wikipedia.org/wiki/X-ray_image_intensifier
>
> actually it only takes like 1mm thick lead to stop all the rays that come
> out of this thing so we can and will build a box for it, so it's safe.
>
> of course, if anyone can get ahold of a Flat Panel x-ray detector, we should
> get that.  it would allow much better x-ray pictures with less radiation.
> but i hear they're really expensive.
>
> http://en.wikipedia.org/wiki/Flat_panel_detectors
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